Framework usage notes based on vue-element-admin/temple

1. Modify the sidebar title and icon
   in the index.js of the router.
   
   If you modify the icon, modify the name of the svg icon here, and then modify the svg icon to your own icon content.

2. Option to create a new navbar

   • Create project file
   • add route
   • add icon

3. The background color of the navigation bar is modified in this scss file

4. The website title and icon of the project. The logo modification
   in these files is in this article.